EP0584625B1 - Esters de l'acide acrylique substitués par une pyridyloxy - Google Patents

Esters de l'acide acrylique substitués par une pyridyloxy Download PDF

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Publication number
EP0584625B1
EP0584625B1 EP93112732A EP93112732A EP0584625B1 EP 0584625 B1 EP0584625 B1 EP 0584625B1 EP 93112732 A EP93112732 A EP 93112732A EP 93112732 A EP93112732 A EP 93112732A EP 0584625 B1 EP0584625 B1 EP 0584625B1
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Prior art keywords
carbon atoms
alkyl
halogen
formula
straight
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English (en)
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EP0584625A1 (fr
Inventor
Winfried Dr. Lunkenheimer
Lutz Dr. Assmann
Stefan Dr. Dutzmann
Heinz-Wilhelm Dr. Dehne
Gerd Dr. Hänssler
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Bayer AG
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Bayer AG
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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D213/62—Oxygen or sulfur atoms
    • C07D213/63—One oxygen atom
    • C07D213/64—One oxygen atom attached in position 2 or 6
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
    • A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings

Definitions

  • the present invention relates to new pyridyloxy-acrylic acid esters, a process for their preparation and their use as pesticides.
  • the compounds of the formula (I) can be in the form of geometric isomers.
  • the invention relates to both the isomer mixtures and the individual isomers.
  • the new pyridyloxy-acrylic acid esters of the formula (I) are very suitable as pesticides. They can be used in particular against microorganisms harmful to plants.
  • the pyridyloxy-acrylic acid esters of the formula (I) according to the invention have a significantly better activity than plant 1- (6-phenyl-pyrid-2-yl-thio) -2-methoxy-acrylic acid methyl ester, 1- [N-methyl-N - (6-phenyl-pyrid-2-yl) amino] -2-methoxy-acrylic acid methyl ester and 1- [5- (4-chlorophenyl) pyrid-3-yl-oxy] -2-methoxy-acrylic acid methyl ester, which is structurally obvious, known compounds of the same direction of action
  • Examples of substances according to the invention are the pyridyloxy-acrylic acid esters listed in the following table.
  • 6-aryl-2-pyridones of the formula (IV) required as starting materials in the preparation of acrylic acid derivatives of the formula (II) by the above process are known or can be prepared by processes known in principle (cf., for example, Chem. Ber. 90 , 711 [1957]; Ber. Dtsch. Chem. Ges. 55 , 359 [1922]; Organic Syntheses Coll. Vol. III, 305 [1955]; Angew. Chem. 88 , 261, [1976]; Helv. Chim Acta 24 , 233E [1941]).
  • haloacetic acid esters required as reaction components in the above process for the preparation of acrylic acid derivatives of the formula (II) are generally defined by the formula (V).
  • Hal preferably represents chlorine, bromine or iodine.
  • the haloacetic acid esters of the formula (V) are known
  • the formic acid alkyl esters also required as reaction components are generally defined by the formula (VII).
  • R preferably represents methyl or ethyl.
  • the alkyl formates of the formula (VII) are known.
  • the dialkylformamide derivatives also required as reaction components are generally defined by the formula (VIII).
  • R 1 and R 2 independently of one another preferably represent methoxy, ethoxy, dimethylamino or diethylamino.
  • R 3 preferably represents methyl or ethyl.
  • the dialkylformamide derivatives of the formula (VIII) are known.
  • All customary strong bases are suitable as acid binders in the reaction of 6-aryl-2-pyridones of the formula (IV) with haloacetic acid esters of the formula (V). Hydrides, such as sodium hydride, can preferably be used.
  • reaction temperatures in the above reaction of 6-alyl-2-pyridones of the formula (IV) with haloacetic acid esters of the formula (V) can be varied within a substantial range. In general, temperatures between 50 ° C and 150 ° C.
  • All customary strong bases are suitable as acid binders in the reaction of pyridyloxyacetic acid esters of the formula (VI) with formic acid alkyl esters of the formula (VII). Hydrides, such as sodium hydride, can preferably be used.
  • reaction temperatures can also be varied within a substantial range in the reaction of pyridyloxyacetic acid esters of the formula (VI) with formic acid alkyl esters of the formula (VII). Generally one works at temperatures between -20 ° C and + 50 ° C.
  • reaction temperatures can also be varied within a substantial range in the reaction of pyridyloxyacetic acid esters of the formula (VI) with dialkylformamide derivatives of the formula (VIII). In general, temperatures between -20 ° C and + 150 ° C.
  • reaction temperatures can also be varied within a substantial range in the reaction of 2-dialkylaminoacrylic acid derivatives of the formula (IX) with water. In general, temperatures between 0 ° C and + 120 ° C.
  • reaction components in the above process for the preparation of acrylic acid derivatives of the formula (II) are each used in approximately equimolar amounts. However, it is also possible to use one or the other component in excess.
  • the processing is carried out according to the usual methods.
  • the methylating agents required as reaction components when carrying out the process according to the invention are generally defined by the formula (III).
  • A preferably represents halogen, optionally substituted alkylsulfonyloxy, optionally substituted alkoxysulfonyloxy or optionally substituted arysulfonyloxy.
  • the methylating agents of the formula (III) are generally known compounds of organic chemistry.
  • Aliphatic, alicyclic or aromatic, optionally halogenated hydrocarbons are preferably usable, such as gasoline, benzene, toluene, xylene, chlorobenzene, dichlorobenzene, petroleum ether, hexane, cyclohexane, dichloromethane, chloroform, carbon tetrachloride; Ethers such as diethyl ether, diisopropyl ether, dioxane, tetrahydrofuran or ethylene glycol dimethyl or diethyl ether; Nitriles such as acetonitrile, propionitrile or benzonitrile; Amides such as N, N-dimethylformamide, N, N-dimethylacetamide, N-methylformanilide, N-methylpyrrolidone or hexamethylphosphoric triamide or sulfoxides, such as
  • Dimethyl sulfoxide Dimethyl sulfoxide.
  • the process according to the invention can also be carried out in a two-phase system, such as, for example, water / toluene or water / dichloromethane, if appropriate in the presence of a suitable phase transfer catalyst.
  • Such catalysts are: tetrabutylammonium iodide, tetrabutylammonium bromide, tetrabutylammonium chloride, tributyl-methylphosphonium bromide, trimethyl-C 13 / C 15 -alkylammonium chloride, trimethyl-C 13 / C 15 -alkylammonium bromide, dibenzyl-dimethyl- 12 -ammonium-ammonium-ammonium-ammonium-bromide 14- alkyl-benzylammonium chloride, dimethyl-C 12 / C 14 -alkyl-benzylammonium bromide, ammonium hydroxide, triethylbenzylammonium chloride, methyltrioctylammonium chloride, trimethylbenzylammonium chloride, 15-crown-5, 18-crown-6 or tris- [2- (2-methoxyethoxy) ethyl
  • the process according to the invention is preferably carried out in the presence of an acid binder.
  • All conventional inorganic or organic bases are suitable as such.
  • Alkaline earth metal or alkali metal hydrides, hydroxides, amides, alcoholates, acetates, carbonates or hydrogen carbonates, such as, for example, sodium hydride, sodium amide, sodium methylate, sodium ethylate, potassium tert-butoxide, sodium hydroxide, potassium hydroxide, ammonium hydroxide, sodium acetate, can preferably be used.
  • Potassium acetate, calcium acetate, ammonium acetate, sodium carbonate, potassium carbonate, potassium hydrogen carbonate, sodium hydrogen carbonate or ammonium carbonate and tertiary amines such as trimethylamine, triethylamine, tributylamine, N, N-dimethylaniline, pyridine, N-methylpiperidine, N, N-dimethylaminopyridine, diazabicyclooonane (diazabicyclooonane) (DBN) or diazabicycloundecene (DBU).
  • reaction temperatures can be varied within a substantial range when carrying out the process according to the invention. In general, temperatures between -30 ° C and + 120 ° C, preferably at temperatures between -20 ° C and + 60 ° C.
  • the process according to the invention is usually carried out under normal pressure. However, it is also possible to work under increased or reduced pressure.
  • 1.0 to 10.0 mol, preferably 1.0 to 5.0 mol, of methylating agent of the formula (III) and, if appropriate, 1.0 are generally employed per mol of acrylic acid derivative of the formula (II) to 5.0 moles, preferably 1.0 to 2.5 moles of acid binder. It is possible to prepare the acrylic acid derivatives of the formula (II) required as starting compounds for carrying out the process according to the invention in a preceding reaction directly in the reaction vessel and then to carry them out further without isolation according to the process according to the invention (one-pot variant). The reaction, work-up and isolation of the reaction products is carried out by known processes (see, for example, DE-OS 39 04 931 or the preparation examples).
  • the end products of the formula (I) are purified using customary methods, for example by column chromatography or by recrystallization.
  • the characterization is carried out using the melting point or, in the case of non-crystallizing compounds, using the refractive index or proton nuclear magnetic resonance spectroscopy ( 1 H-NMR).
  • the active compounds according to the invention have a strong microbicidal action and can be used practically to combat unwanted microorganisms.
  • the active ingredients are suitable for use as pesticides in crop protection, in particular as fungicides.
  • Fungicidal agents in crop protection are used to control Plasmodiophoromycetes, Oomycetes, Chytridiomycetes, Zygomycetes, Ascomycetes, Basidiomycetes, Deuteromycetes.
  • the active compounds according to the invention can be used with particularly good results in combating cereal diseases, for example against the pathogen of the real one Powdery mildew on wheat or barley (Erysiphe graminis) or against the causative agent of barley mesh spot disease (Pyrenophora teres) or against the pathogen causing brown spot disease on barley or wheat (Cochliobolus sativus) or against the pathogen causing brown furs in wheat (Leptosphaeria nodor) of fusarioses (Fusarium species) or to combat diseases in fruit and vegetable cultivation, such as against the pathogen of tomato brown rot (Phytophthora infestans) or against the pathogen of apple scab (Venturia inaequalis) or against powdery mildew in fruit and vegetable cultivation or for combat rice diseases, such as against the causative agent of rice speckle disease (Pyricularia oryzae) or against the causative agent of rice stalk disease (Pellicularia sa
  • the active ingredients can be converted into customary formulations, such as solutions, emulsions, suspensions, powders, foams, pastes, granules, aerosols, very fine encapsulations in polymeric substances and in coating compositions for seeds, and ULV Cold and warm mist formulations.
  • formulations are prepared in a known manner, for example by mixing the active ingredients with extenders, that is to say liquid solvents, pressurized liquefied gases and / or solid carriers, optionally using surface-active agents, that is to say emulsifiers and / or dispersants and / or foam-generating agents. If water is used as an extender, organic solvents can, for example, also be used as auxiliary solvents.
  • extenders that is to say liquid solvents, pressurized liquefied gases and / or solid carriers, optionally using surface-active agents, that is to say emulsifiers and / or dispersants and / or foam-generating agents.
  • surface-active agents that is to say emulsifiers and / or dispersants and / or foam-generating agents.
  • organic solvents can, for example, also be used as auxiliary solvents.
  • liquid solvents aromatics, such as xylene, toluene, alkylnaphthalenes, chlorinated aromatics or chlorinated aliphatic hydrocarbons, such as chlorobenzenes, chlorethylenes, or methylene chloride, aliphatic hydrocarbons, such as cyclohexane or paraffins, for example petroleum fractions, alcohols, such as butanol or glycol, and the like their ethers and esters, ketones such as acetone, methyl ethyl ketone, methyl isobutyl ketone or cyclohexanone, strongly polar solvents such as dimethylformamide or dimethyl sulfoxide, and water;
  • Liquefied gaseous extenders or carriers mean liquids which are gaseous at normal temperature and under normal pressure, for example Aerosol propellants, such as halogenated hydrocarbons and butane, propane, nitrogen and carbon dioxide;
  • Solid carrier materials are suitable: for example natural rock powders
  • Adhesives such as carboxymethyl cellulose, natural and synthetic, powdery, granular or latex-shaped polymers, such as gum arabic, polyvinyl alcohol, polyvinyl acetate, and natural phospholipids such as cephalins and lecithins and synthetic phospholipids can be used in the formulations.
  • Other additives can be mineral and vegetable oils.
  • Dyes such as inorganic pigments, e.g. Iron oxide, titanium oxide, ferrocyan blue and organic dyes such as alizarin, azo and metal phthalocyanine dyes and trace nutrients such as salts of iron, manganese, boron, copper, cobalt, molybdenum and zinc can be used.
  • the formulations generally contain between 0.1 and 95 percent by weight of active ingredient, preferably between 0.5 and 90%.
  • the active compounds according to the invention can be present in the formulations in a mixture with other known active compounds, such as fungicides, insecticides, acaricides and herbicides, and also in mixtures with fertilizers and growth regulators.
  • the active compounds can be used as such, in the form of their formulations or the use forms prepared therefrom, such as ready-to-use solutions, suspensions, wettable powders, pastes, soluble powders, dusts and granules.
  • the Application takes place in the customary manner, for example by watering, spraying, atomizing, scattering, dusting, foaming, brushing, etc. It is also possible to apply the active ingredients by the ultra-low-volume process or the active ingredient preparation or the active ingredient itself into the soil to inject.
  • the seeds of the plants can also be treated.
  • the active compound concentrations in the use forms can be varied within a substantial range: they are generally between 1 and 0.0001% by weight, preferably between 0.5 and 0.001% by weight.
  • amounts of active ingredient of 0.001 to 50 g per kilogram of seed, preferably 0.01 to 10 g, are generally required.
  • active ingredient concentrations of 0.00001 to 0.1% by weight, preferably 0.0001 to 0.02% by weight, are required at the site of action.
  • the solvent is distilled off, 700 ml of formamide and 70 ml of glacial acetic acid are added to the residue and the mixture is heated at 190 ° C. (bath temperature) for 2 hours.
  • 650 ml of water are added to the cooled reaction mixture and extracted 5 times with 300 ml of chloroform each time.
  • the combined organic phases are dried and concentrated under reduced pressure.
  • the residue is crystallized by stirring with a mixture of 300 ml of ether and 30 ml of ethanol, suction filtered and dried.
  • a part by weight of active compound is mixed with the stated amounts of solvent and emulsifier and the concentrate is diluted with water to the desired concentration.
  • the plants are then placed in a greenhouse at 20 ° C. and a relative humidity of approx. 70%.
  • Evaluation is carried out 12 days after the inoculation.
  • active compound 1 part by weight of active compound is mixed with the stated amounts of solvent and emulsifier, and the concentrate is diluted with water to the desired concentration.
  • the plants are placed in a greenhouse at a temperature of approx. 15 ° C and a relative humidity of approx. 80%.
  • Evaluation is carried out 10 days after the inoculation.
  • the substances according to the invention listed in Examples 1 and 4 show an efficacy of 100% at an active substance concentration of 250 ppm in the spray mixture, while the comparison substance (C) has no effect.
  • active compound 1 part by weight of active compound is mixed with the stated amounts of solvent and emulsifier, and the concentrate is diluted with water to the desired concentration.
  • the plants are placed in a greenhouse at a temperature of approx. 20 ° C and a relative humidity of approx. 80% in order to promote the development of mildew pustules.
  • Evaluation is carried out 7 days after the inoculation.
  • a part by weight of active compound is mixed with the stated amounts of solvent and emulsifier and the concentrate is diluted with water to the desired concentration.
  • the plants are then placed in an incubation cabin at 20 ° C. and a relative humidity of approx. 100%.
  • Evaluation is carried out 3 days after the inoculation.
  • a part by weight of active compound is mixed with the stated amounts of solvent and the concentrate is diluted to the desired concentration with water and the stated amount of emulsifier.
  • the plants are then placed in a greenhouse at 25 ° C. and a relative atmospheric humidity of 100%
  • the disease infestation is evaluated 4 days after the inoculation.
  • the substances according to the invention listed in Examples 1 to 5 show an efficiency of 100% at an active ingredient concentration of 0.025% in the spray mixture, while the comparison substance (C) only has an efficiency of 30%.
  • a part by weight of active compound is mixed with the stated amounts of solvent and the concentrate is diluted to the desired concentration with water and the stated amount of emulsifier.
  • the disease infestation is evaluated 5 to 8 days after the inoculation.
  • the substances according to the invention listed in Examples 2, 4 and 5 show an efficiency of more than 70% and more at an active ingredient concentration of 0.025% in the spray mixture, while the comparison substance (C) has an efficiency of 30%.

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  • Organic Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Plant Pathology (AREA)
  • Pest Control & Pesticides (AREA)
  • Agronomy & Crop Science (AREA)
  • Pyridine Compounds (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Claims (10)

  1. Esters pyridyloxyacryliques de formule
    Figure imgb0043
     dans laquelle
    Ar   représente un groupe aryle contenant de 6 à 10 atomes de carbone, qui peut porter un ou plusieurs substituants identiques ou différents halogéno, hydroxyle, cyano, nitro, alkyle à chaîne droite ou ramifiée contenant de 1 à 6 atomes de carbone, alcoxy à chaîne droite ou ramifiée contenant de 1 à 6 atomes de carbone, alkylthio à chaîne droite ou ramifiée contenant de 1 à 6 atomes de carbone, alkylsulfinyle à chaîne droite ou ramifiée contenant de 1 à 6 atomes de carbone, alkylsulfonyle à chaîne droite ou ramifiée contenant de 1 à 6 atomes de carbone, halogénalkyle à chaîne droite ou ramifiée contenant de 1 à 6 atomes de carbone et de 1 à 13 atomes d'halogène identiques ou différents, halogénalcoxy à chaîne droite ou ramifiée contenant de 1 à 6 atomes de carbone et de 1 à 13 atomes d'halogène identiques ou différents, halogénalkylthio à chaîne droite ou ramifiée contenant de 1 à 6 atomes de carbone et de 1 à 13 atomes d'halogène identiques ou différents, halogénalkylsulfinyle à chaîne droite ou ramifiée contenant de 1 à 6 atomes de carbone et de 1 à 13 atomes d'halogène identiques ou différents, halogénalkylsulfonyle à chaîne droite ou ramifiée contenant de 1 à 6 atomes de carbone et de 1 à 13 atomes d'halogène identiques ou différents, dialkylamino contenant de 1 à 6 atomes de carbone dans chaque fraction alkyle, alcoxycarbonyle contenant de 1 à 6 atomes de carbone dans la fraction alcoxy, alcoximinoalkyle contenant de 1 à 6 atomes de carbone dans la fraction alcoxy et de 1 à 6 atomes de carbone dans la fraction alkyle, alkylène deux fois lié contenant de 1 à 6 atomes de carbone, portant éventuellement de 1 à 3 substituants identiques ou différents halogéno, alkyle contenant de 1 à 4 atomes de carbone et/ou halogénalkyle contenant de 1 à 4 atomes de carbone et de 1 à 9 atomes d'halogène identiques ou différents, dioxyalkylène contenant de 1 à 6 atomes de carbone, portant éventuellement de 1 à 3 substituants identiques ou différents halogéno, alkyle contenant de 1 à 4 atomes de carbone et/ou halogénalkyle contenant de 1 à 4 atomes de carbone et de 1 à 9 atomes d'halogène, cycloalkyle contenant de 3 à 7 atomes de carbone, portant éventuellement de 1 à 3 substituants identiques ou différents halogéno, alkyle contenant de 1 à 4 atomes de carbone et/ou halogénalkyle contenant de 1 à 4 atomes de carbone et de 1 à 9 atomes d'halogène, hétérocyclyle contenant de 3 à 7 chaînons cycliques, portant éventuellement de 1 à 3 substituants identiques ou différents halogéno, alkyle contenant de 1 à 4 atomes de carbone et/ou halogénalkyle contenant de 1 à 4 atomes de carbone et de 1 à 9 atomes d'halogène, et contenant de 2 à 6 atomes de carbone et de 1 à 3 hétéroatomes identiques ou différents tels qu'un atome d'azote, un atome d'oxygène et/ou un atome de soufre, ainsi que les substituants phényle, phénoxy, benzyle, benzyloxy, phényléthyle ou phényléthyloxy, chacun des six substituants mentionnés en dernier lieu pouvant porter, dans la fraction phényle, de 1 à 3 substituants identiques ou différents halogéno, alkyle contenant de 1 à 4 atomes de carbone, alcoxy contenant de 1 à 4 atomes de carbone, halogénalkyle contenant de 1 à 4 atomes de carbone et de 1 à 9 atomes d'halogène identiques ou différents, et/ou halogénalcoxy contenant de 1 à 4 atomes de carbone et de 1 à 9 atomes d'halogène identiques ou différents,
    ou
    Ar   représente un groupe hétéroaryle éventuellement benzocondensé contenant de 2 à 9 atomes de carbone et de 1 à 5 hétéroatomes identiques ou différents, chacun de ces radicaux pouvant porter un ou plusieurs substituants identiques ou différents halogéno, hydroxyle, cyano, nitro, alkyle à chaîne droite ou ramifiée contenant de 1 à 6 atomes de carbone, alcoxy à chaîne droite ou ramifiée contenant de 1 à 6 atomes de carbone, alkylthio à chaîne droite ou ramifiée contenant de 1 à 6 atomes de carbone, alkylsulfinyle à chaîne droite ou ramifiée contenant de 1 à 6 atomes de carbone, alkylsulfonyle à chaîne droite ou ramifiée contenant de 1 à 6 atomes de carbone, halogénalkyle à chaîne droite ou ramifiée contenant de 1 à 6 atomes de carbone et de 1 à 13 atomes d'halogène identiques ou différents, halogénalcoxy à chaîne droite ou ramifiée contenant de 1 à 6 atomes de carbone et de 1 à 13 atomes d'halogène identiques ou différents, halogénalkylthio à chaîne droite ou ramifiée contenant de 1 à 6 atomes de carbone et de 1 à 13 atomes d'halogène identiques ou différents, halogénalkylsulfinyle à chaîne droite ou ramifiée contenant de 1 à 6 atomes de carbone et de 1 à 13 atomes d'halogène identiques ou différents, halogénalkylsulfonyle à chaîne droite ou ramifiée contenant de 1 à 6 atomes de carbone et de 1 à 13 atomes d'halogène identiques ou différents, dialkylamino contenant de 1 à 6 atomes de carbone dans chaque fraction alkyle, alcoxycarbonyle contenant de 1 à 6 atomes de carbone dans la fraction alcoxy, alcoximinoalkyle contenant de 1 à 6 atomes de carbone dans la fraction alcoxy et de 1 à 6 atomes de carbone dans la fraction alkyle, alkylène deux fois lié contenant de 1 à 6 atomes de carbone, portant éventuellement de 1 à 3 substituants identiques ou différents halogéno, alkyle contenant de 1 à 4 atomes de carbone et/ou halogénalkyle contenant de 1 à 4 atomes de carbone et de 1 à 9 atomes d'halogène identiques ou différents, dioxyalkylène contenant de 1 à 6 atomes de carbone, portant éventuellement de 1 à 3 substituants identiques ou différents halogéno, alkyle contenant de 1 à 4 atomes de carbone et/ou halogénalkyle contenant de 1 à 4 atomes de carbone et de 1 à 9 atomes d'halogène, cycloalkyle contenant de 3 à 7 atomes de carbone, portant éventuellement de 1 à 3 substituants identiques ou différents halogéno, alkyle contenant de 1 à 4 atomes de carbone et/ou halogénalkyle contenant de 1 à 4 atomes de carbone et de 1 à 9 atomes d'halogène, hétérocyclyle contenant de 3 à 7 chaînons cycliques, portant éventuellement de 1 à 3 substituants identiques ou différents halogéno, alkyle contenant de 1 à 4 atomes de carbone et/ou halogénalkyle contenant de 1 à 4 atomes de carbone et de 1 à 9 atomes d'halogène, et contenant de 2 à 6 atomes de carbone et de 1 à 3 hétéroatomes identiques ou différents tels qu'un atome d'azote, un atome d'oxygène et/ou un atome de soufre, ainsi que les substituants phényle, phénoxy, benzyle, benzyloxy, phényléthyle ou phényléthyloxy, chacun des six substituants mentionnés en dernier lieu pouvant porter, dans la fraction phényle, de 1 à 3 substituants identiques ou différents halogéno, alkyle contenant de 1 à 4 atomes de carbone, alcoxy contenant de 1 à 4 atomes de carbone, halogénalkyle contenant de 1 à 4 atomes de carbone et de 1 à 9 atomes d'halogène identiques ou différents, et/ou halogénalcoxy contenant de 1 à 4 atomes de carbone et de 1 à 9 atomes d'halogène identiques ou différents, à l'exclusion des composés dans lesquels Ar représente un groupe phényle non substitué et un groupe 2-pyridinyle non substitué.
  2. Procédé pour la préparation d'esters pyridyloxyacryliques de formule
    Figure imgb0044
     dans laquelle
    Ar   a la signification indiquée à la revendication 1,
    caractérisé en ce qu'on fait réagir des dérivés d'acide acrylique de formule
    Figure imgb0045
     dans laquelle
    E   représente un atome d'hydrogène ou un cation de métal alcalin et
    Ar   a la signification indiquée ci-dessus,
    avec des agents de méthylation de formule

            CH3-A     (III)

    dans laquelle
    A   représente un groupe qui s'éloigne, attirant les électrons,
    éventuellement en présence d'un diluant et éventuellement en présence d'un agent neutralisant les acides, ainsi qu'éventuellement en présence d'un catalyseur.
  3. Agent de lutte contre les parasites, caractérisé par une teneur en au moins un ester pyridyloxyacrylique de formule (I) selon la revendication 1.
  4. Utilisation d'esters pyridyloxyacryliques de formule (I) selon la revendication 1 pour lutter contre les parasites.
  5. Procédé pour lutter contre les parasites, caractérisé en ce qu'on répand des esters pyridyloxyacryliques de formule (I) selon la revendication 1, sur les parasites et/ou sur leur biotope.
  6. Procédé pour la préparation d'agents de lutte contre les parasites, caractérisé en ce qu'on mélange des esters pyridyloxyacryliques de formule (I) selon la revendication 1, avec des diluants et/ou des matières tensioactives.
  7. Dérivés d'acide acrylique de formule
    Figure imgb0046
     dans laquelle
    Ar   a la signification indiquée à la revendication 1 et
    E   représente un atome d'hydrogène ou un cation de métal alcalin.
  8. Procédé pour la préparation de dérivés d'acide acrylique de formule
    Figure imgb0047
     dans laquelle
    Ar   a la signification indiquée à la revendication 1 et
    E   représente un atome d'hydrogène ou un cation de métal alcalin,
    caractérisé en ce qu'on fait réagir, dans une première étape, des 6-aryl-2-pyridones répondant à la formule
    Figure imgb0048
     dans laquelle
    Ar   a la signification indiquée ci-dessus,
    avec des esters halogénacétiques de formule

            Hal-CH2-COO-CH3     (V)

    dans laquelle
    Hal   représente un atome d'halogène,
    éventuellement en présence d'un diluant et éventuellement en présence d'un agent neutralisant les acides, puis on fait réagir les esters pyridyloxyacétiques ainsi obtenus répondant à la formule (VI)
    Figure imgb0049
     dans laquelle
    Ar   a la signification indiquée ci-dessus,
    dans une deuxième étape ultérieure, soit
    a) avec des esters alkyliques d'acide formique de formule

            H-COOR     (VII)

    dans laquelle
    R   représente un groupe alkyle,
    éventuellement en présence d'un diluant ou éventuellement en présence d'un agent neutralisant les acides,
    soit
    b) avec des dérivés de dialkylformamide répondant à la formule
    Figure imgb0050
     dans laquelle
    R1 et R2   représentent, indépendamment l'un de l'autre, un groupe alcoxy ou un groupe dialkylamino, et
    R3   représente un groupe alkyle,
    éventuellement en présence d'un diluant, puis on fait réagir les dérivés d'acide 2-dialkylaminoacrylique ainsi obtenus répondant à la formule
    Figure imgb0051
     dans laquelle R3 et Ar ont la signification indiquée ci-dessus,
    ultérieurement avec de l'eau, éventuellement en présence d'un acide,
    et on fait réagir les dérivés d'acide acrylique obtenus dans lesquels E représente un atome d'hydrogène, éventuellement avec des hydroxydes de métaux alcalins en présence d'un diluant.
  9. Esters pyridyloxyacétiques de formule (VI)
    Figure imgb0052
     dans laquelle
    Ar   a la signification indiquée à la revendication 1.
  10. Dérivés d'acide 2-dialkylaminoacrylique de formule
    Figure imgb0053
     dans laquelle
    Ar   a la signification indiquée à la revendication 1 et
    R3   représente un groupe alkyle.
EP93112732A 1992-08-21 1993-08-09 Esters de l'acide acrylique substitués par une pyridyloxy Expired - Lifetime EP0584625B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4227748 1992-08-21
DE4227748A DE4227748A1 (de) 1992-08-21 1992-08-21 Pyridyloxy-acrylsäureester

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EP0584625A1 EP0584625A1 (fr) 1994-03-02
EP0584625B1 true EP0584625B1 (fr) 1997-03-26

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JP (1) JPH06199795A (fr)
KR (1) KR940003934A (fr)
CN (1) CN1089942A (fr)
BR (1) BR9303429A (fr)
DE (2) DE4227748A1 (fr)
ES (1) ES2099331T3 (fr)
MX (1) MX9304961A (fr)
TW (1) TW242555B (fr)

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IL115889A0 (en) * 1994-11-14 1996-01-31 Rohm & Haas Pyridazinones and their use as fungicides
US5985919A (en) * 1995-05-09 1999-11-16 Basf Aktiengesellschaft (Het)aryloxy-, -thio- , aminocrotonates, methods of preparing them and their use as insecticides and fungicides
WO2000043354A2 (fr) 1999-01-22 2000-07-27 Elan Pharmaceuticals, Inc. Composes inhibant l'adhesion leucocytaire provoquee par vla-4
AR035476A1 (es) 1999-01-22 2004-06-02 Elan Pharm Inc Compuestos heteroarilo y heterociclicos con anillo fusionado, los cuales inhiben la adhesion de leucocitos mediada por vla-4, composiciones farmaceuticas, el uso de las mismas para la manufactura de un medicamento y un metodo para fijar vla-4 en una muestra biologica
PL350050A1 (en) * 1999-01-22 2002-10-21 Elan Pharm Inc Acyl derivatives which treat vla-4 related disorders
US6436904B1 (en) * 1999-01-25 2002-08-20 Elan Pharmaceuticals, Inc. Compounds which inhibit leukocyte adhesion mediated by VLA-4
ATE264298T1 (de) 1999-03-01 2004-04-15 Elan Pharm Inc Alpha-aminoessigsäure derivate als alpha 4 beta 7-rezeptor antagonisten
US7482366B2 (en) * 2001-12-21 2009-01-27 X-Ceptor Therapeutics, Inc. Modulators of LXR
TW200307671A (en) * 2002-05-24 2003-12-16 Elan Pharm Inc Heteroaryl compounds which inhibit leukocyte adhesion mediated by α 4 integrins
TWI281470B (en) * 2002-05-24 2007-05-21 Elan Pharm Inc Heterocyclic compounds which inhibit leukocyte adhesion mediated by alpha4 integrins
AU2006297180A1 (en) 2005-09-29 2007-04-12 Elan Pharmaceuticals, Inc. Carbamate compounds which inhibit leukocyte adhesion mediated by VLA-4
ATE493405T1 (de) * 2005-09-29 2011-01-15 Elan Pharm Inc Pyrimidinylamidverbindungen, die die durch vla-4 vermittelte leukozytenadhäsion inhibieren
KR20080100271A (ko) * 2006-02-27 2008-11-14 엘란 파마슈티칼스, 인크. Ｖｌａ-4에 의해 매개되는 백혈구 부착을 억제하는 피리미디닐 술폰아미드 화합물
SG10201401836RA (en) * 2009-04-27 2014-10-30 Elan Pharm Inc Pyridinone antagonists of alpha-4 integrins

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DE2557615C2 (de) * 1975-12-20 1985-08-14 Bayer Ag, 5090 Leverkusen Neue Niclosamid-Suspensionsformulierungen
DE3211395A1 (de) * 1982-03-27 1983-09-29 Hoechst Ag, 6230 Frankfurt Pyridon-2-derivate, verfahren zu deren herstellung und diese enthaltende arzneimittel
GB8521082D0 (en) * 1985-08-22 1985-09-25 Ici Plc Fungicides
DE3904931A1 (de) * 1989-02-17 1990-08-23 Bayer Ag Pyridyl-substituierte acrylsaeureester
GB8926429D0 (en) * 1989-11-22 1990-01-10 Ici Plc Fungicides
US5322845A (en) * 1991-10-02 1994-06-21 Sumitomo Chemical Company, Limited Acrylic acid derivatives, a fungicide containing them as an active ingredient, and intermediate compounds thereof

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CN1089942A (zh) 1994-07-27
MX9304961A (es) 1995-01-31
EP0584625A1 (fr) 1994-03-02
BR9303429A (pt) 1994-03-22
TW242555B (fr) 1995-03-11
DE4227748A1 (de) 1994-02-24
ES2099331T3 (es) 1997-05-16
DE59305938D1 (de) 1997-04-30
KR940003934A (ko) 1994-03-14
US5580868A (en) 1996-12-03

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